Minor improvements

Changes
=======
* Update origin to_json() to include server_group option
* Change .ignore to ignore all jetbrains things (.idea)

.gitignore

@@ -3,10 +3,7 @@
 /build/
 /cmake-build-*/
 /cmake-build-report.tar.gz
-/.idea/vcs.xml
-/.idea/workspace.xml
-/.idea/editor.xml
-/.idea/sonarlint
+/.idea
 /.cache
 /.vs
 /.vscode

core/origin.cxx

@@ -280,6 +280,7 @@ origin::to_json() const -> std::string
         { "metrics_options", options_.metrics_options },
         { "tracing_options", options_.tracing_options },
         { "transactions_options", options_.transactions },
+        { "server_group", options_.server_group },
 #endif
       },
     },